11884791 has 4 divisors (see below), whose sum is σ = 15846392. Its totient is φ = 7923192.

The previous prime is 11884777. The next prime is 11884801. The reversal of 11884791 is 19748811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11884791 - 2¹⁷ = 11753719 is a prime.

It is a super-2 number, since 2×11884791² = 282496514227362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11884391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980796 + ... + 1980801.

It is an arithmetic number, because the mean of its divisors is an integer number (3961598).

Almost surely, 2^11884791 is an apocalyptic number.

11884791 is a deficient number, since it is larger than the sum of its proper divisors (3961601).

11884791 is an equidigital number, since it uses as much as digits as its factorization.

11884791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961600.

The product of its digits is 16128, while the sum is 39.

The square root of 11884791 is about 3447.4325229074. The cubic root of 11884791 is about 228.2078168318.

The spelling of 11884791 in words is "eleven million, eight hundred eighty-four thousand, seven hundred ninety-one".